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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.net.telnet;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    /***<a name="line.20"></a>
<FONT color="green">021</FONT>     * The TelnetOption class cannot be instantiated and only serves as a<a name="line.21"></a>
<FONT color="green">022</FONT>     * storehouse for telnet option constants.<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;p&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * Details regarding Telnet option specification can be found in RFC 855.<a name="line.24"></a>
<FONT color="green">025</FONT>     * &lt;p&gt;<a name="line.25"></a>
<FONT color="green">026</FONT>     * &lt;p&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     * @author Daniel F. Savarese<a name="line.27"></a>
<FONT color="green">028</FONT>     * @see org.apache.commons.net.telnet.Telnet<a name="line.28"></a>
<FONT color="green">029</FONT>     * @see org.apache.commons.net.telnet.TelnetClient<a name="line.29"></a>
<FONT color="green">030</FONT>     ***/<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>    public class TelnetOption<a name="line.32"></a>
<FONT color="green">033</FONT>    {<a name="line.33"></a>
<FONT color="green">034</FONT>        /*** The maximum value an option code can have.  This value is 255. ***/<a name="line.34"></a>
<FONT color="green">035</FONT>        public static final int MAX_OPTION_VALUE = 255;<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>        public static final int BINARY = 0;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>        public static final int ECHO = 1;<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>        public static final int PREPARE_TO_RECONNECT = 2;<a name="line.41"></a>
<FONT color="green">042</FONT>    <a name="line.42"></a>
<FONT color="green">043</FONT>        public static final int SUPPRESS_GO_AHEAD = 3;<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        public static final int APPROXIMATE_MESSAGE_SIZE = 4;<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        public static final int STATUS = 5;<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>        public static final int TIMING_MARK = 6;<a name="line.49"></a>
<FONT color="green">050</FONT>    <a name="line.50"></a>
<FONT color="green">051</FONT>        public static final int REMOTE_CONTROLLED_TRANSMISSION = 7;<a name="line.51"></a>
<FONT color="green">052</FONT>    <a name="line.52"></a>
<FONT color="green">053</FONT>        public static final int NEGOTIATE_OUTPUT_LINE_WIDTH = 8;<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>        public static final int NEGOTIATE_OUTPUT_PAGE_SIZE = 9;<a name="line.55"></a>
<FONT color="green">056</FONT>    <a name="line.56"></a>
<FONT color="green">057</FONT>        public static final int NEGOTIATE_CARRIAGE_RETURN = 10;<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>        public static final int NEGOTIATE_HORIZONTAL_TAB_STOP = 11;<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>        public static final int NEGOTIATE_HORIZONTAL_TAB = 12;<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>        public static final int NEGOTIATE_FORMFEED = 13;<a name="line.63"></a>
<FONT color="green">064</FONT>    <a name="line.64"></a>
<FONT color="green">065</FONT>        public static final int NEGOTIATE_VERTICAL_TAB_STOP = 14;<a name="line.65"></a>
<FONT color="green">066</FONT>    <a name="line.66"></a>
<FONT color="green">067</FONT>        public static final int NEGOTIATE_VERTICAL_TAB = 15;<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>        public static final int NEGOTIATE_LINEFEED = 16;<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>        public static final int EXTENDED_ASCII = 17;<a name="line.71"></a>
<FONT color="green">072</FONT>    <a name="line.72"></a>
<FONT color="green">073</FONT>        public static final int FORCE_LOGOUT = 18;<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>        public static final int BYTE_MACRO = 19;<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>        public static final int DATA_ENTRY_TERMINAL = 20;<a name="line.77"></a>
<FONT color="green">078</FONT>    <a name="line.78"></a>
<FONT color="green">079</FONT>        public static final int SUPDUP = 21;<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>        public static final int SUPDUP_OUTPUT = 22;<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>        public static final int SEND_LOCATION = 23;<a name="line.83"></a>
<FONT color="green">084</FONT>    <a name="line.84"></a>
<FONT color="green">085</FONT>        public static final int TERMINAL_TYPE = 24;<a name="line.85"></a>
<FONT color="green">086</FONT>    <a name="line.86"></a>
<FONT color="green">087</FONT>        public static final int END_OF_RECORD = 25;<a name="line.87"></a>
<FONT color="green">088</FONT>    <a name="line.88"></a>
<FONT color="green">089</FONT>        public static final int TACACS_USER_IDENTIFICATION = 26;<a name="line.89"></a>
<FONT color="green">090</FONT>    <a name="line.90"></a>
<FONT color="green">091</FONT>        public static final int OUTPUT_MARKING = 27;<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>        public static final int TERMINAL_LOCATION_NUMBER = 28;<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>        public static final int REGIME_3270 = 29;<a name="line.95"></a>
<FONT color="green">096</FONT>    <a name="line.96"></a>
<FONT color="green">097</FONT>        public static final int X3_PAD = 30;<a name="line.97"></a>
<FONT color="green">098</FONT>    <a name="line.98"></a>
<FONT color="green">099</FONT>        public static final int WINDOW_SIZE = 31;<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>        public static final int TERMINAL_SPEED = 32;<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>        public static final int REMOTE_FLOW_CONTROL = 33;<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>        public static final int LINEMODE = 34;<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>        public static final int X_DISPLAY_LOCATION = 35;<a name="line.107"></a>
<FONT color="green">108</FONT>    <a name="line.108"></a>
<FONT color="green">109</FONT>        public static final int OLD_ENVIRONMENT_VARIABLES = 36;<a name="line.109"></a>
<FONT color="green">110</FONT>    <a name="line.110"></a>
<FONT color="green">111</FONT>        public static final int AUTHENTICATION = 37;<a name="line.111"></a>
<FONT color="green">112</FONT>    <a name="line.112"></a>
<FONT color="green">113</FONT>        public static final int ENCRYPTION = 38;<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>        public static final int NEW_ENVIRONMENT_VARIABLES = 39;<a name="line.115"></a>
<FONT color="green">116</FONT>    <a name="line.116"></a>
<FONT color="green">117</FONT>        public static final int EXTENDED_OPTIONS_LIST = 255;<a name="line.117"></a>
<FONT color="green">118</FONT>    <a name="line.118"></a>
<FONT color="green">119</FONT>        private static final int __FIRST_OPTION = BINARY;<a name="line.119"></a>
<FONT color="green">120</FONT>        private static final int __LAST_OPTION = EXTENDED_OPTIONS_LIST;<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>        private static final String __optionString[] = {<a name="line.122"></a>
<FONT color="green">123</FONT>                    "BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME", "STATUS",<a name="line.123"></a>
<FONT color="green">124</FONT>                    "TIMING MARK", "RCTE", "NAOL", "NAOP", "NAOCRD", "NAOHTS", "NAOHTD",<a name="line.124"></a>
<FONT color="green">125</FONT>                    "NAOFFD", "NAOVTS", "NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT",<a name="line.125"></a>
<FONT color="green">126</FONT>                    "BYTE MACRO", "DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",<a name="line.126"></a>
<FONT color="green">127</FONT>                    "SEND LOCATION", "TERMINAL TYPE", "END OF RECORD", "TACACS UID",<a name="line.127"></a>
<FONT color="green">128</FONT>                    "OUTPUT MARKING", "TTYLOC", "3270 REGIME", "X.3 PAD", "NAWS", "TSPEED",<a name="line.128"></a>
<FONT color="green">129</FONT>                    "LFLOW", "LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",<a name="line.129"></a>
<FONT color="green">130</FONT>                    "ENCRYPT", "NEW-ENVIRON", "TN3270E", "XAUTH", "CHARSET", "RSP",<a name="line.130"></a>
<FONT color="green">131</FONT>                    "Com Port Control", "Suppress Local Echo", "Start TLS",<a name="line.131"></a>
<FONT color="green">132</FONT>                    "KERMIT", "SEND-URL", "FORWARD_X", "", "", "",<a name="line.132"></a>
<FONT color="green">133</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.133"></a>
<FONT color="green">134</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.134"></a>
<FONT color="green">135</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.135"></a>
<FONT color="green">136</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.136"></a>
<FONT color="green">137</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.137"></a>
<FONT color="green">138</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.138"></a>
<FONT color="green">139</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.139"></a>
<FONT color="green">140</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.140"></a>
<FONT color="green">141</FONT>                    "", "", "", "", "", "TELOPT PRAGMA LOGON", "TELOPT SSPI LOGON",<a name="line.141"></a>
<FONT color="green">142</FONT>                    "TELOPT PRAGMA HEARTBEAT", "", "", "", "",<a name="line.142"></a>
<FONT color="green">143</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.143"></a>
<FONT color="green">144</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.144"></a>
<FONT color="green">145</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.145"></a>
<FONT color="green">146</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.146"></a>
<FONT color="green">147</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.147"></a>
<FONT color="green">148</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.148"></a>
<FONT color="green">149</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.149"></a>
<FONT color="green">150</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.150"></a>
<FONT color="green">151</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.151"></a>
<FONT color="green">152</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.152"></a>
<FONT color="green">153</FONT>                    "", "", "", "", "", "", "", "", "", "",<a name="line.153"></a>
<FONT color="green">154</FONT>                    "Extended-Options-List"<a name="line.154"></a>
<FONT color="green">155</FONT>                };<a name="line.155"></a>
<FONT color="green">156</FONT>    <a name="line.156"></a>
<FONT color="green">157</FONT>    <a name="line.157"></a>
<FONT color="green">158</FONT>        /***<a name="line.158"></a>
<FONT color="green">159</FONT>         * Returns the string representation of the telnet protocol option<a name="line.159"></a>
<FONT color="green">160</FONT>         * corresponding to the given option code.<a name="line.160"></a>
<FONT color="green">161</FONT>         * &lt;p&gt;<a name="line.161"></a>
<FONT color="green">162</FONT>         * @param code The option code of the telnet protocol option<a name="line.162"></a>
<FONT color="green">163</FONT>         * @return The string representation of the telnet protocol option.<a name="line.163"></a>
<FONT color="green">164</FONT>         ***/<a name="line.164"></a>
<FONT color="green">165</FONT>        public static final String getOption(int code)<a name="line.165"></a>
<FONT color="green">166</FONT>        {<a name="line.166"></a>
<FONT color="green">167</FONT>            if(__optionString[code].length() == 0)<a name="line.167"></a>
<FONT color="green">168</FONT>            {<a name="line.168"></a>
<FONT color="green">169</FONT>                return "UNASSIGNED";<a name="line.169"></a>
<FONT color="green">170</FONT>            }<a name="line.170"></a>
<FONT color="green">171</FONT>            else<a name="line.171"></a>
<FONT color="green">172</FONT>            {<a name="line.172"></a>
<FONT color="green">173</FONT>                return __optionString[code];<a name="line.173"></a>
<FONT color="green">174</FONT>            }<a name="line.174"></a>
<FONT color="green">175</FONT>        }<a name="line.175"></a>
<FONT color="green">176</FONT>    <a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>        /***<a name="line.178"></a>
<FONT color="green">179</FONT>         * Determines if a given option code is valid.  Returns true if valid,<a name="line.179"></a>
<FONT color="green">180</FONT>         * false if not.<a name="line.180"></a>
<FONT color="green">181</FONT>         * &lt;p&gt;<a name="line.181"></a>
<FONT color="green">182</FONT>         * @param code  The option code to test.<a name="line.182"></a>
<FONT color="green">183</FONT>         * @return True if the option code is valid, false if not.<a name="line.183"></a>
<FONT color="green">184</FONT>         **/<a name="line.184"></a>
<FONT color="green">185</FONT>        public static final boolean isValidOption(int code)<a name="line.185"></a>
<FONT color="green">186</FONT>        {<a name="line.186"></a>
<FONT color="green">187</FONT>            return (code &lt;= __LAST_OPTION);<a name="line.187"></a>
<FONT color="green">188</FONT>        }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>        // Cannot be instantiated<a name="line.190"></a>
<FONT color="green">191</FONT>        private TelnetOption()<a name="line.191"></a>
<FONT color="green">192</FONT>        { }<a name="line.192"></a>
<FONT color="green">193</FONT>    }<a name="line.193"></a>




























































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